Definitions common to Modbus/TCP client and server. More...
#include "core/net.h"
Go to the source code of this file.
Macros | |
#define | MODBUS_TCP_PORT 502 |
#define | MODBUS_TCP_SECURE_PORT 802 |
#define | MODBUS_PROTOCOL_ID 0 |
#define | MODBUS_DEFAULT_UNIT_ID 255 |
#define | MODBUS_MAX_PDU_SIZE 253 |
#define | MODBUS_MAX_ADU_SIZE 260 |
#define | MODBUS_FUNCTION_CODE_MASK 0x7F |
#define | MODBUS_EXCEPTION_MASK 0x80 |
#define | MODBUS_SET_COIL(a, n) ((a)[(n) / 8] |= (1 << ((n) % 8))) |
#define | MODBUS_RESET_COIL(a, n) ((a)[(n) / 8] &= ~(1 << ((n) % 8))) |
#define | MODBUS_TEST_COIL(a, n) ((a[(n) / 8] >> ((n) % 8)) & 1) |
Typedefs | |
struct { | |
char_t type | |
uint32_t dataStart | |
uint32_t dataLength | |
uint8_t nameLength | |
char_t name [] | |
uint8_t tokenLen: 4 | |
uint8_t type: 2 | |
uint8_t version: 2 | |
uint8_t code | |
uint16_t mid | |
uint8_t token [] | |
union { | |
uint8_t b [6] | |
uint16_t w [3] | |
} | |
uint16_t srcPort | |
uint16_t destPort | |
uint32_t seqNum | |
uint32_t ackNum | |
uint8_t reserved1: 4 | |
uint8_t dataOffset: 4 | |
uint8_t flags: 6 | |
uint8_t reserved2: 2 | |
uint16_t window | |
uint16_t checksum | |
uint16_t urgentPointer | |
uint8_t options [] | |
uint16_t length | |
uint8_t data [] | |
uint8_t op | |
uint8_t htype | |
uint8_t hlen | |
uint8_t hops | |
uint32_t xid | |
uint16_t secs | |
uint16_t flags | |
Ipv4Addr ciaddr | |
Ipv4Addr yiaddr | |
Ipv4Addr siaddr | |
Ipv4Addr giaddr | |
MacAddr chaddr | |
uint8_t unused [10] | |
uint8_t sname [64] | |
uint8_t file [128] | |
uint32_t magicCookie | |
uint16_t type | |
uint16_t hardwareType | |
uint32_t time | |
MacAddr linkLayerAddr | |
uint16_t id | |
uint8_t rd: 1 | |
uint8_t tc: 1 | |
uint8_t aa: 1 | |
uint8_t opcode: 4 | |
uint8_t qr: 1 | |
uint8_t rcode: 4 | |
uint8_t z: 3 | |
uint8_t ra: 1 | |
uint16_t qdcount | |
uint16_t ancount | |
uint16_t nscount | |
uint16_t arcount | |
uint8_t questions [] | |
uint16_t controlWord | |
uint16_t byteCount | |
uint8_t bLength | |
uint8_t bDescriptorType | |
uint16_t bcdUsb | |
uint8_t bDeviceClass | |
uint8_t bDeviceSubClass | |
uint8_t bDeviceProtocol | |
uint8_t bMaxPacketSize0 | |
uint16_t idVendor | |
uint16_t idProduct | |
uint16_t bcdDevice | |
uint8_t iManufacturer | |
uint8_t iProduct | |
uint8_t iSerialNumber | |
uint8_t bNumConfigurations | |
uint8_t maxRespTime | |
Ipv4Addr groupAddr | |
uint16_t hrd | |
uint16_t pro | |
uint8_t hln | |
uint8_t pln | |
uint16_t op | |
MacAddr sha | |
Ipv4Addr spa | |
MacAddr tha | |
Ipv4Addr tpa | |
uint8_t length | |
uint8_t value [] | |
uint16_t first | |
uint16_t last | |
uint16_t next | |
union { | |
uint8_t b [16] | |
uint16_t w [8] | |
uint32_t dw [4] | |
} | |
uint16_t maxRespDelay | |
uint16_t reserved | |
Ipv6Addr multicastAddr | |
uint32_t reserved | |
uint16_t pvid | |
uint8_t autoNegSupportStatus | |
uint16_t pmdAutoNegAdvCap | |
uint16_t operationalMauType | |
uint16_t capabilities | |
uint8_t deviceType | |
uint8_t lengthH: 1 | |
uint8_t lengthL | |
uint8_t t: 1 | |
uint8_t c: 1 | |
union { | |
int32_t integer | |
uint8_t octetString [1] | |
uint8_t oid [1] | |
uint8_t ipAddr [4] | |
uint32_t counter32 | |
uint32_t gauge32 | |
uint32_t unsigned32 | |
uint32_t timeTicks | |
uint64_t counter64 | |
} | |
uint16_t transactionId | |
uint16_t protocolId | |
uint8_t unitId | |
uint8_t pdu [] | |
uint8_t retain: 1 | |
uint8_t qos: 2 | |
uint8_t dup: 1 | |
union { | |
uint8_t all | |
struct { | |
uint8_t topicIdType: 2 | |
uint8_t cleanSession: 1 | |
uint8_t will: 1 | |
uint8_t retain: 1 | |
uint8_t qos: 2 | |
uint8_t dup: 1 | |
} | |
} | |
uint8_t b: 1 | |
uint8_t identifier | |
uint8_t valueSize | |
Ipv4Addr srcIpAddr | |
Ipv4Addr destIpAddr | |
Eui64 interfaceId | |
uint16_t mru | |
uint8_t peerIdLength | |
uint8_t peerId [] | |
uint32_t seconds | |
uint32_t fraction | |
uint16_t opcode | |
char_t filename [] | |
uint8_t reserved: 3 | |
uint8_t fin: 1 | |
uint8_t payloadLen: 7 | |
uint8_t mask: 1 | |
uint8_t extPayloadLen [] | |
uint32_t length | |
uint8_t payload [] | |
uint8_t protocolVersionId | |
uint8_t bpduType | |
StpBridgeId rootId | |
uint32_t rootPathCost | |
StpBridgeId bridgeId | |
uint16_t portId | |
uint16_t messageAge | |
uint16_t maxAge | |
uint16_t helloTime | |
uint16_t forwardDelay | |
uint8_t version1Length | |
uint16_t priority | |
MacAddr addr | |
} | ModbusHeader |
MBAP header (Modbus Application Protocol) More... | |
struct { | |
char_t type | |
uint32_t dataStart | |
uint32_t dataLength | |
uint8_t nameLength | |
uint8_t length: 4 | |
uint8_t delta: 4 | |
union { | |
uint8_t b [8] | |
uint16_t w [4] | |
uint32_t dw [2] | |
} | |
uint8_t kind | |
uint8_t value [] | |
uint8_t code | |
uint16_t type | |
uint32_t enterpriseNumber | |
uint8_t identifier [] | |
uint16_t qtype | |
uint16_t qclass | |
uint16_t statusWord | |
uint16_t byteCount | |
uint8_t bLength | |
uint8_t bDescriptorType | |
uint16_t wTotalLength | |
uint8_t bNumInterfaces | |
uint8_t bConfigurationValue | |
uint8_t iConfiguration | |
uint8_t bmAttributes | |
uint8_t bMaxPower | |
uint8_t type | |
uint16_t checksum | |
uint8_t parameter | |
uint8_t unused [3] | |
uint8_t data [] | |
uint32_t parameter | |
uint8_t nextHeader | |
uint8_t hdrExtLen | |
uint8_t options [] | |
uint8_t curHopLimit | |
uint8_t reserved: 2 | |
uint8_t p: 1 | |
uint8_t prf: 2 | |
uint8_t h: 1 | |
uint8_t o: 1 | |
uint8_t m: 1 | |
uint16_t routerLifetime | |
uint32_t reachableTime | |
uint32_t retransTimer | |
uint8_t flags | |
uint16_t ppvid | |
uint8_t mdiPowerSupport | |
uint8_t psePowerPair | |
uint8_t powerClass | |
uint8_t appType | |
uint8_t vlanIdH: 5 | |
uint8_t x: 1 | |
uint8_t t: 1 | |
uint8_t u: 1 | |
uint8_t l2PriorityH: 1 | |
uint8_t vlanIdL: 7 | |
uint8_t dscpValue: 6 | |
uint8_t l2PriorityL: 2 | |
uint8_t chassisIdSubtype | |
uint8_t chassisId [] | |
uint8_t functionCode | |
uint16_t startingAddr | |
uint16_t quantityOfCoils | |
uint16_t length | |
uint8_t msgType | |
uint16_t flags | |
Ipv4Addr addr | |
uint8_t valueSize | |
uint16_t protocol | |
uint32_t accm | |
uint8_t msgLength | |
uint8_t message [] | |
uint8_t mode: 3 | |
uint8_t vn: 3 | |
uint8_t li: 2 | |
uint8_t stratum | |
uint8_t poll | |
int8_t precision | |
uint32_t rootDelay | |
uint32_t rootDispersion | |
uint32_t referenceId | |
NtpTimestamp referenceTimestamp | |
NtpTimestamp originateTimestamp | |
NtpTimestamp receiveTimestamp | |
NtpTimestamp transmitTimestamp | |
uint16_t opcode | |
char_t filename [] | |
uint16_t value [] | |
uint16_t group | |
uint8_t keyExchange [] | |
uint32_t id | |
uint32_t dataLen | |
} | ModbusReadCoilsReq |
Read Coils request PDU. More... | |
struct { | |
uint32_t totalSize | |
ResRootEntry rootEntry | |
MacAddr destAddr | |
MacAddr srcAddr | |
uint16_t type | |
uint8_t data [] | |
uint16_t hardwareType | |
MacAddr linkLayerAddr | |
uint16_t rtype | |
uint16_t rclass | |
uint32_t ttl | |
uint16_t rdlength | |
uint8_t rdata [] | |
uint8_t bLength | |
uint8_t bDescriptorType | |
uint8_t bInterfaceNumber | |
uint8_t bAlternateSetting | |
uint8_t bNumEndpoints | |
uint8_t bInterfaceClass | |
uint8_t bInterfaceSubClass | |
uint8_t bInterfaceProtocol | |
uint8_t iInterface | |
uint8_t type | |
uint8_t code | |
uint16_t checksum | |
uint32_t unused | |
uint8_t nextHeader | |
uint8_t hdrExtLen | |
uint8_t options [] | |
uint32_t reserved | |
Ipv6Addr targetAddr | |
uint16_t vlanId | |
uint8_t vlanNameLen | |
char_t vlanName [] | |
uint8_t aggregationStatus | |
uint32_t aggregatedPortId | |
uint8_t locationDataFormat | |
uint8_t locationId [] | |
uint8_t portIdSubtype | |
uint8_t portId [] | |
uint8_t functionCode | |
uint8_t byteCount | |
uint8_t coilStatus [] | |
uint8_t prefix | |
uint16_t length | |
uint8_t msgType | |
uint8_t identifier | |
uint8_t message [] | |
uint8_t length | |
Ipv4Addr ipAddr | |
uint16_t protocol | |
uint8_t msgLength | |
uint8_t rejectedPacket [] | |
uint32_t keyId | |
uint8_t messageDigest [16] | |
uint16_t opcode | |
uint16_t block | |
uint16_t value [] | |
uint8_t value [] | |
} | ModbusReadCoilsResp |
Read Coils response PDU. More... | |
struct { | |
uint8_t dsap | |
uint8_t ssap | |
uint8_t control | |
uint8_t msgType | |
uint8_t transactionId [3] | |
uint8_t options [] | |
uint16_t rtype | |
uint16_t rclass | |
uint32_t ttl | |
uint16_t rdlength | |
uint8_t rdata [4] | |
uint8_t bLength | |
uint8_t bDescriptorType | |
uint8_t bEndpointAddress | |
uint8_t bmAttributes | |
uint16_t wMaxPacketSize | |
uint8_t bInterval | |
uint8_t type | |
uint8_t code | |
uint16_t checksum | |
uint32_t unused | |
uint8_t data [] | |
uint32_t mtu | |
uint8_t nextHeader | |
uint8_t hdrExtLen | |
uint8_t routingType | |
uint8_t segmentsLeft | |
uint32_t reserved | |
Ipv6Addr address [] | |
uint8_t reserved1: 5 | |
uint8_t o: 1 | |
uint8_t s: 1 | |
uint8_t r: 1 | |
uint8_t reserved2 [3] | |
Ipv6Addr targetAddr | |
uint8_t protocolIdLen | |
uint8_t protocolId [] | |
uint16_t maxFrameSize | |
uint8_t powerPriority: 4 | |
uint8_t powerSource: 2 | |
uint8_t powerType: 2 | |
uint16_t powerValue | |
uint16_t ttl | |
uint8_t functionCode | |
uint16_t startingAddr | |
uint16_t quantityOfInputs | |
uint8_t gwId | |
uint16_t duration | |
uint8_t identifier | |
uint16_t length | |
uint8_t message [] | |
uint8_t length | |
Ipv4Addr ipAddr | |
uint16_t protocol | |
uint16_t rejectedProtocol | |
uint8_t rejectedInfo [] | |
uint16_t opcode | |
uint16_t block | |
uint16_t version | |
uint16_t epoch | |
DtlsSequenceNumber seqNum | |
uint8_t hash | |
uint8_t signature | |
uint8_t value [] | |
} | ModbusReadDiscreteInputsReq |
Read Discrete Inputs request PDU. More... | |
struct { | |
uint16_t tci | |
uint16_t type | |
uint8_t msgType | |
uint8_t hopCount | |
Ipv6Addr linkAddress | |
Ipv6Addr peerAddress | |
uint8_t options [] | |
uint16_t rtype | |
uint16_t rclass | |
uint32_t ttl | |
uint16_t rdlength | |
uint8_t rdata [16] | |
uint8_t bLength | |
uint8_t bDescriptorType | |
uint16_t bString [] | |
uint8_t type | |
uint8_t code | |
uint16_t checksum | |
uint8_t pointer | |
uint8_t unused [3] | |
uint8_t data [] | |
uint32_t unused | |
uint8_t nextHeader | |
uint8_t payloadLen | |
uint16_t reserved | |
uint32_t securityParamIndex | |
uint32_t sequenceNumber | |
uint8_t authData [] | |
uint32_t reserved | |
Ipv6Addr targetAddr | |
Ipv6Addr destAddr | |
uint8_t measurements [20] | |
uint16_t psePowerPriceIndex | |
uint16_t supportedCap | |
uint16_t enabledCap | |
uint8_t functionCode | |
uint8_t byteCount | |
uint8_t inputStatus [] | |
uint8_t radius | |
uint8_t length | |
Ipv4Addr ipAddr | |
uint32_t magicNumber | |
uint8_t identifier | |
uint16_t length | |
uint16_t opcode | |
uint16_t errorCode | |
char_t errorMsg [] | |
uint16_t msgSeq | |
uint8_t fragOffset [3] | |
uint8_t fragLength [3] | |
TlsSignHashAlgo value [] | |
uint8_t value [] | |
} | ModbusReadDiscreteInputsResp |
Read Discrete Inputs response PDU. More... | |
struct { | |
uint16_t code | |
uint16_t length | |
uint8_t value [] | |
uint16_t rtype | |
uint16_t rclass | |
uint32_t ttl | |
uint16_t rdlength | |
uint16_t priority | |
uint16_t weight | |
uint16_t port | |
uint8_t target [] | |
uint8_t bFunctionLength | |
uint8_t bDescriptorType | |
uint8_t bDescriptorSubtype | |
uint16_t bcdCdc | |
uint8_t type | |
uint8_t code | |
uint16_t checksum | |
uint16_t identifier | |
uint16_t sequenceNumber | |
uint8_t data [] | |
uint32_t pointer | |
uint32_t securityParamIndex | |
uint32_t sequenceNumber | |
uint8_t payloadData [] | |
uint8_t length | |
uint8_t powerPriority: 2 | |
uint8_t pd4pid: 1 | |
uint8_t reserved: 1 | |
uint8_t powerSource: 2 | |
uint8_t powerType: 2 | |
uint16_t pdRequestedPower | |
uint16_t pseAllocatedPower | |
uint8_t mgmtAddrLen | |
uint8_t mgmtAddrSubtype | |
uint8_t mgmtAddr [] | |
uint8_t functionCode | |
uint16_t startingAddr | |
uint16_t quantityOfRegs | |
uint8_t gwId | |
uint8_t gwAdd [] | |
Ipv4Addr ipAddr | |
uint8_t identifier | |
uint32_t magicNumber | |
uint16_t serverVersion | |
uint8_t cookieLength | |
uint8_t cookie [] | |
} | ModbusReadHoldingRegsReq |
Read Holding Registers request PDU. More... | |
struct { | |
uint32_t iaId | |
uint32_t t1 | |
uint32_t t2 | |
uint8_t options [] | |
uint8_t bFunctionLength | |
uint8_t bDescriptorType | |
uint8_t bDescriptorSubtype | |
uint8_t bmCapabilities | |
uint8_t bDataInterface | |
uint8_t type | |
uint8_t code | |
uint16_t checksum | |
uint16_t identifier | |
uint16_t sequenceNumber | |
uint8_t data [] | |
uint8_t length | |
MacAddr linkLayerAddr | |
uint16_t pdRequestedPowerA | |
uint16_t pdRequestedPowerB | |
uint16_t pseAllocatedPowerA | |
uint16_t pseAllocatedPowerB | |
uint16_t powerStatus | |
uint8_t systemSetup | |
uint16_t pseMaxAvailablePower | |
uint8_t autoclass | |
uint8_t powerDown [3] | |
uint8_t ifNumSubtype | |
uint32_t ifNum | |
uint8_t oidLen | |
uint8_t oid [] | |
uint8_t functionCode | |
uint8_t byteCount | |
uint16_t regValue [] | |
MqttSnFlags flags | |
uint8_t protocolId | |
uint16_t duration | |
char_t clientId [] | |
Ipv4Addr ipAddr | |
uint16_t length | |
uint8_t value [] | |
} | ModbusReadHoldingRegsResp |
Read Holding Registers response PDU. More... | |
struct { | |
uint32_t iaId | |
uint8_t options [] | |
uint8_t bFunctionLength | |
uint8_t bDescriptorType | |
uint8_t bDescriptorSubtype | |
uint8_t bmCapabilities | |
uint8_t type | |
uint8_t length | |
uint8_t prefixLength | |
uint8_t reserved1: 5 | |
uint8_t r: 1 | |
uint8_t a: 1 | |
uint8_t l: 1 | |
uint32_t validLifetime | |
uint32_t preferredLifetime | |
uint32_t reserved2 | |
Ipv6Addr prefix | |
uint8_t oui [LLDP_OUI_SIZE] | |
uint8_t subtype | |
uint8_t value [] | |
uint8_t functionCode | |
uint16_t startingAddr | |
uint16_t quantityOfRegs | |
uint8_t returnCode | |
uint16_t type | |
uint16_t length | |
} | ModbusReadInputRegsReq |
Read Holding Input request PDU. More... | |
struct { | |
Ipv6Addr address | |
uint32_t preferredLifetime | |
uint32_t validLifetime | |
uint8_t options [] | |
uint8_t bFunctionLength | |
uint8_t bDescriptorType | |
uint8_t bDescriptorSubtype | |
uint8_t bMasterInterface | |
uint8_t bSlaveInterface0 | |
uint8_t type | |
uint8_t length | |
uint16_t reserved1 | |
uint32_t reserved2 | |
uint8_t ipPacket [] | |
uint8_t functionCode | |
uint8_t byteCount | |
uint16_t regValue [] | |
MqttSnFlags flags | |
char_t willTopic [] | |
uint16_t length | |
uint8_t value [] | |
} | ModbusReadInputRegsResp |
Read Holding Input response PDU. More... | |
struct { | |
uint16_t requestedOption [1] | |
UsbConfigDescriptor configDescriptor | |
UsbInterfaceDescriptor communicationInterfaceDescriptor | |
CdcHeaderDescriptor cdcHeaderDescriptor | |
CdcCallManagementDescriptor cdcCallManagementDescriptor | |
CdcAcmDescriptor cdcAcmDescriptor | |
CdcUnionDescriptor cdcUnionDescriptor | |
UsbEndpointDescriptor notificationEndpointDescriptor | |
UsbInterfaceDescriptor dataInterfaceDescriptor | |
UsbEndpointDescriptor dataOutEndpointDescriptor | |
UsbEndpointDescriptor dataInEndpointDescriptor | |
uint8_t type | |
uint8_t length | |
uint16_t reserved | |
uint32_t mtu | |
uint8_t functionCode | |
uint16_t outputAddr | |
uint16_t outputValue | |
uint16_t topicId | |
uint16_t msgId | |
char_t topicName [] | |
uint16_t value [] | |
uint16_t algorithm | |
uint16_t length | |
uint8_t value [] | |
} | ModbusWriteSingleCoilReq |
Write Single Coil request PDU. More... | |
struct { | |
uint8_t value | |
uint8_t type | |
uint8_t length | |
uint8_t prefixLength | |
uint8_t reserved2: 3 | |
uint8_t prf: 2 | |
uint8_t reserved1: 3 | |
uint32_t routeLifetime | |
Ipv6Addr prefix | |
uint8_t functionCode | |
uint16_t outputAddr | |
uint16_t outputValue | |
uint16_t topicId | |
uint16_t msgId | |
uint8_t returnCode | |
uint16_t length | |
char_t hostname [] | |
uint16_t serverVersion | |
uint8_t random [32] | |
uint8_t sessionIdLen | |
uint8_t sessionId [] | |
} | ModbusWriteSingleCoilResp |
Write Single Coil response PDU. More... | |
struct { | |
uint16_t value | |
uint8_t type | |
uint8_t length | |
uint16_t reserved | |
uint32_t lifetime | |
Ipv6Addr address [] | |
uint8_t functionCode | |
uint16_t regAddr | |
uint16_t regValue | |
MqttSnFlags flags | |
uint16_t topicId | |
uint16_t msgId | |
uint8_t data [] | |
uint16_t length | |
uint8_t value [] | |
uint16_t extensionsLen | |
uint8_t extensions [] | |
} | ModbusWriteSingleRegReq |
Write Single Register request PDU. More... | |
struct { | |
uint8_t protocol | |
uint8_t algorithm | |
uint8_t rdm | |
uint8_t replayDetection [8] | |
uint8_t authInfo [] | |
uint8_t type | |
uint8_t length | |
uint16_t reserved | |
uint32_t lifetime | |
uint8_t domainNames [] | |
uint8_t functionCode | |
uint16_t regAddr | |
uint16_t regValue | |
uint16_t topicId | |
uint16_t msgId | |
uint8_t returnCode | |
char_t value [] | |
uint32_t ticketLifetime | |
uint32_t ticketAgeAdd | |
uint8_t ticketNonceLen | |
uint8_t ticketNonce [] | |
} | ModbusWriteSingleRegResp |
Write Single Register response PDU. More... | |
struct { | |
Ipv6Addr serverAddr | |
uint8_t type | |
uint8_t length | |
uint8_t contextLength | |
uint8_t cid: 4 | |
uint8_t c: 1 | |
uint8_t reserved1: 3 | |
uint16_t reserved2 | |
uint16_t validLifetime | |
Ipv6Addr contextPrefix | |
uint8_t functionCode | |
uint16_t startingAddr | |
uint16_t quantityOfOutputs | |
uint8_t byteCount | |
uint8_t outputValue [] | |
uint16_t msgId | |
uint16_t length | |
uint8_t value [] | |
uint8_t requestUpdate | |
} | ModbusWriteMultipleCoilsReq |
Write Multiple Coils request PDU. More... | |
struct { | |
uint16_t statusCode | |
char_t statusMessage [] | |
uint8_t functionCode | |
uint16_t startingAddr | |
uint16_t quantityOfOutputs | |
uint16_t msgId | |
uint16_t length | |
uint16_t value [] | |
uint8_t data [] | |
} | ModbusWriteMultipleCoilsResp |
Write Multiple Coils response PDU. More... | |
struct { | |
uint8_t msgType | |
uint8_t functionCode | |
uint16_t startingAddr | |
uint16_t quantityOfRegs | |
uint8_t byteCount | |
uint16_t regValue [] | |
uint16_t msgId | |
uint8_t length | |
uint8_t value [] | |
uint16_t version | |
Protocol version. More... | |
uint16_t cipherSuite | |
Cipher suite identifier. More... | |
systime_t ticketTimestamp | |
Timestamp to manage ticket lifetime. More... | |
uint32_t ticketLifetime | |
Lifetime of the ticket. More... | |
uint32_t ticketAgeAdd | |
Random value used to obscure the age of the ticket. More... | |
uint8_t ticketNonce [4] | |
A per-ticket value that is unique across all tickets issued. More... | |
size_t ticketPskLen | |
Length of the PSK associated with the ticket. More... | |
uint8_t ticketPsk [TLS13_MAX_HKDF_DIGEST_SIZE] | |
PSK associated with the ticket. More... | |
} | ModbusWriteMultipleRegsReq |
Write Multiple Registers request PDU. More... | |
struct { | |
Ipv6Addr address [1] | |
uint8_t functionCode | |
uint16_t startingAddr | |
uint16_t quantityOfRegs | |
MqttSnFlags flags | |
uint16_t msgId | |
char_t topicName [] | |
uint8_t length | |
uint8_t value [] | |
} | ModbusWriteMultipleRegsResp |
Write Multiple Registers response PDU. More... | |
struct { | |
uint8_t searchList [1] | |
uint8_t functionCode | |
uint16_t referenceAddr | |
uint16_t andMask | |
uint16_t orMask | |
MqttSnFlags flags | |
uint16_t topicId | |
uint16_t msgId | |
uint8_t returnCode | |
uint8_t length | |
uint8_t value [] | |
} | ModbusMaskWriteRegReq |
Mask Write Register request PDU. More... | |
struct { | |
uint32_t iaId | |
uint32_t t1 | |
uint32_t t2 | |
uint8_t options [] | |
uint8_t functionCode | |
uint16_t referenceAddr | |
uint16_t andMask | |
uint16_t orMask | |
MqttSnFlags flags | |
uint16_t msgId | |
char_t topicName [] | |
uint16_t length | |
uint8_t value [] | |
} | ModbusMaskWriteRegResp |
Mask Write Register response PDU. More... | |
struct { | |
uint32_t preferredLifetime | |
uint32_t validLifetime | |
uint8_t prefixLen | |
Ipv6Addr prefix | |
uint8_t options [] | |
uint8_t functionCode | |
uint16_t readStartingAddr | |
uint16_t quantityToRead | |
uint16_t writeStartingAddr | |
uint16_t quantityToWrite | |
uint8_t writeByteCount | |
uint16_t writeRegValue [] | |
uint16_t msgId | |
uint16_t length | |
uint8_t value [] | |
} | ModbusReadWriteMultipleRegsReq |
Read/Write Multiple Registers request PDU. More... | |
struct { | |
uint8_t s: 1 | |
uint8_t o: 1 | |
uint8_t n: 1 | |
uint8_t mbz: 5 | |
uint8_t domainName [] | |
uint8_t functionCode | |
uint8_t readByteCount | |
uint16_t readRegValue [] | |
uint16_t duration | |
uint16_t length | |
uint8_t value [] | |
} | ModbusReadWriteMultipleRegsResp |
Read/Write Multiple Registers response PDU. More... | |
struct { | |
uint8_t functionCode | |
uint8_t exceptionCode | |
MqttSnFlags flags | |
char_t willTopic [] | |
TlsSignHashAlgo algorithm | |
uint16_t length | |
uint8_t value [] | |
} | ModbusExceptionResp |
Exception response PDU. More... | |
Detailed Description
Definitions common to Modbus/TCP client and server.
License
SPDX-License-Identifier: GPL-2.0-or-later
Copyright (C) 2010-2023 Oryx Embedded SARL. All rights reserved.
This file is part of CycloneTCP Open.
This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- Version
- 2.2.4
Definition in file modbus_common.h.
Macro Definition Documentation
◆ MODBUS_DEFAULT_UNIT_ID
#define MODBUS_DEFAULT_UNIT_ID 255 |
Definition at line 45 of file modbus_common.h.
◆ MODBUS_EXCEPTION_MASK
#define MODBUS_EXCEPTION_MASK 0x80 |
Definition at line 55 of file modbus_common.h.
◆ MODBUS_FUNCTION_CODE_MASK
#define MODBUS_FUNCTION_CODE_MASK 0x7F |
Definition at line 53 of file modbus_common.h.
◆ MODBUS_MAX_ADU_SIZE
#define MODBUS_MAX_ADU_SIZE 260 |
Definition at line 50 of file modbus_common.h.
◆ MODBUS_MAX_PDU_SIZE
#define MODBUS_MAX_PDU_SIZE 253 |
Definition at line 48 of file modbus_common.h.
◆ MODBUS_PROTOCOL_ID
#define MODBUS_PROTOCOL_ID 0 |
Definition at line 43 of file modbus_common.h.
◆ MODBUS_RESET_COIL
Definition at line 60 of file modbus_common.h.
◆ MODBUS_SET_COIL
Definition at line 58 of file modbus_common.h.
◆ MODBUS_TCP_PORT
#define MODBUS_TCP_PORT 502 |
Definition at line 38 of file modbus_common.h.
◆ MODBUS_TCP_SECURE_PORT
#define MODBUS_TCP_SECURE_PORT 802 |
Definition at line 40 of file modbus_common.h.
◆ MODBUS_TEST_COIL
Definition at line 62 of file modbus_common.h.
Typedef Documentation
◆ ModbusExceptionResp
typedef { ... } ModbusExceptionResp |
Exception response PDU.
◆ ModbusHeader
typedef { ... } ModbusHeader |
MBAP header (Modbus Application Protocol)
◆ ModbusMaskWriteRegReq
typedef { ... } ModbusMaskWriteRegReq |
Mask Write Register request PDU.
◆ ModbusMaskWriteRegResp
typedef { ... } ModbusMaskWriteRegResp |
Mask Write Register response PDU.
◆ ModbusReadCoilsReq
typedef { ... } ModbusReadCoilsReq |
Read Coils request PDU.
◆ ModbusReadCoilsResp
typedef { ... } ModbusReadCoilsResp |
Read Coils response PDU.
◆ ModbusReadDiscreteInputsReq
typedef { ... } ModbusReadDiscreteInputsReq |
Read Discrete Inputs request PDU.
◆ ModbusReadDiscreteInputsResp
typedef { ... } ModbusReadDiscreteInputsResp |
Read Discrete Inputs response PDU.
◆ ModbusReadHoldingRegsReq
typedef { ... } ModbusReadHoldingRegsReq |
Read Holding Registers request PDU.
◆ ModbusReadHoldingRegsResp
typedef { ... } ModbusReadHoldingRegsResp |
Read Holding Registers response PDU.
◆ ModbusReadInputRegsReq
typedef { ... } ModbusReadInputRegsReq |
Read Holding Input request PDU.
◆ ModbusReadInputRegsResp
typedef { ... } ModbusReadInputRegsResp |
Read Holding Input response PDU.
◆ ModbusReadWriteMultipleRegsReq
typedef { ... } ModbusReadWriteMultipleRegsReq |
Read/Write Multiple Registers request PDU.
◆ ModbusReadWriteMultipleRegsResp
typedef { ... } ModbusReadWriteMultipleRegsResp |
Read/Write Multiple Registers response PDU.
◆ ModbusWriteMultipleCoilsReq
typedef { ... } ModbusWriteMultipleCoilsReq |
Write Multiple Coils request PDU.
◆ ModbusWriteMultipleCoilsResp
typedef { ... } ModbusWriteMultipleCoilsResp |
Write Multiple Coils response PDU.
◆ ModbusWriteMultipleRegsReq
typedef { ... } ModbusWriteMultipleRegsReq |
Write Multiple Registers request PDU.
◆ ModbusWriteMultipleRegsResp
typedef { ... } ModbusWriteMultipleRegsResp |
Write Multiple Registers response PDU.
◆ ModbusWriteSingleCoilReq
typedef { ... } ModbusWriteSingleCoilReq |
Write Single Coil request PDU.
◆ ModbusWriteSingleCoilResp
typedef { ... } ModbusWriteSingleCoilResp |
Write Single Coil response PDU.
◆ ModbusWriteSingleRegReq
typedef { ... } ModbusWriteSingleRegReq |
Write Single Register request PDU.
◆ ModbusWriteSingleRegResp
typedef { ... } ModbusWriteSingleRegResp |
Write Single Register response PDU.
Enumeration Type Documentation
◆ ModbusCoilState
enum ModbusCoilState |
Coil states.
Enumerator | |
---|---|
MODBUS_COIL_STATE_OFF | |
MODBUS_COIL_STATE_ON |
Definition at line 120 of file modbus_common.h.
◆ ModbusExceptionCode
enum ModbusExceptionCode |
Modbus exception codes.
Definition at line 102 of file modbus_common.h.
◆ ModbusFunctionCode
enum ModbusFunctionCode |
Modbus functions codes.
Definition at line 74 of file modbus_common.h.
Variable Documentation
◆ andMask
uint16_t andMask |
Definition at line 351 of file modbus_common.h.
◆ byteCount
uint8_t byteCount |
Definition at line 166 of file modbus_common.h.
◆ coilStatus
uint8_t coilStatus[] |
Definition at line 167 of file modbus_common.h.
◆ exceptionCode
uint8_t exceptionCode |
Definition at line 404 of file modbus_common.h.
◆ functionCode
uint8_t functionCode |
Definition at line 153 of file modbus_common.h.
◆ inputStatus
uint8_t inputStatus[] |
Definition at line 191 of file modbus_common.h.
◆ length
uint16_t length |
Definition at line 141 of file modbus_common.h.
◆ orMask
uint16_t orMask |
Definition at line 352 of file modbus_common.h.
◆ outputAddr
uint16_t outputAddr |
Definition at line 250 of file modbus_common.h.
◆ outputValue
uint8_t outputValue[] |
Definition at line 251 of file modbus_common.h.
◆ pdu
uint8_t pdu[] |
Definition at line 143 of file modbus_common.h.
◆ protocolId
uint16_t protocolId |
Definition at line 140 of file modbus_common.h.
◆ quantityOfCoils
uint16_t quantityOfCoils |
Definition at line 155 of file modbus_common.h.
◆ quantityOfInputs
uint16_t quantityOfInputs |
Definition at line 179 of file modbus_common.h.
◆ quantityOfOutputs
uint16_t quantityOfOutputs |
Definition at line 299 of file modbus_common.h.
◆ quantityOfRegs
uint16_t quantityOfRegs |
Definition at line 203 of file modbus_common.h.
◆ quantityToRead
uint16_t quantityToRead |
Definition at line 377 of file modbus_common.h.
◆ quantityToWrite
uint16_t quantityToWrite |
Definition at line 379 of file modbus_common.h.
◆ readByteCount
uint8_t readByteCount |
Definition at line 392 of file modbus_common.h.
◆ readRegValue
uint16_t readRegValue[] |
Definition at line 393 of file modbus_common.h.
◆ readStartingAddr
uint16_t readStartingAddr |
Definition at line 376 of file modbus_common.h.
◆ referenceAddr
uint16_t referenceAddr |
Definition at line 350 of file modbus_common.h.
◆ regAddr
uint16_t regAddr |
Definition at line 274 of file modbus_common.h.
◆ regValue
uint16_t regValue[] |
Definition at line 215 of file modbus_common.h.
◆ startingAddr
uint16_t startingAddr |
Definition at line 154 of file modbus_common.h.
◆ transactionId
uint16_t transactionId |
Definition at line 139 of file modbus_common.h.
◆ unitId
uint8_t unitId |
Definition at line 142 of file modbus_common.h.
◆ writeByteCount
uint8_t writeByteCount |
Definition at line 380 of file modbus_common.h.
◆ writeRegValue
uint16_t writeRegValue[] |
Definition at line 381 of file modbus_common.h.
◆ writeStartingAddr
uint16_t writeStartingAddr |
Definition at line 378 of file modbus_common.h.